Enel eSolutions Research - Electric Reliability Council of Texas
FERC Order 841: Storage in W/S Markets February 15, 2018 EnerNOC, Inc. All rights reserved. www.enernoc.com Click to FERC Definition edit Master of Storage title style A resource capable of receiving electric energy from the grid and storing it for later injection of electric energy back to the grid.
Declined to state where the resource is located on the grid. Declined to give states the ability to opt-out. EnerNOC, Inc. All rights reserved. www.enernoc.com 2 Click to FERC Order edit Master 841 title style
Finds current tariffs unjust and unreasonable in terms of barriers to storage participation, resulting in reduced competition and higher rates. Tariffs do not provide bidding parameters for storage resources to offer services other than frequency regulation Tariffs do not specify how storage resources could purchase electricity ISO/RTOs are required to create a participation model for storage that includes addressing the unique characteristics of storage to both buy and inject electricity into the grid EnerNOC, Inc. All rights reserved. www.enernoc.com 3 Storage Participation Model Must
Ensure that a resource can provide all capacity, energy and A/S into ISO/RTO markets Including services not purchased through organized markets (black start, primary frequency response, reactive power, etc.) Resource can set w/s market prices as either a buyer or a seller at LMP Account for physical/operational characteristics through bidding parameters Technology neutrality Establish a minimum size requirement that does not exceed 100 kW EnerNOC, Inc. All rights reserved. www.enernoc.com 4 Click to edit
Storage Participation Master title Model style Storage Characteristics-Gives RTO/ISO Discretion as to Whether These Attributes are Required Maximum and Minimum State of Charge Maximum Charge Limit-maximum MW quantity resource can receive from the grid Maximum Discharge Limit-maximum MW quantity resource can provide to the grid Minimum Charge Time Maximum Charge Time Minimum Run Time Maximum Run Time Minimum Charge Limit
Minimum Discharge Limit Charge Ramp Rate Discharge Ramp Rate EnerNOC, Inc. All rights reserved. www.enernoc.com 5 Click to edit Storage Participation Master title Model style
Type of telemetry consistent with service provided Necessary for responsive reserves May not be necessary for capacity and energy EnerNOC, Inc. All rights reserved. www.enernoc.com 6 Click Steps Next to edit Master title style RTOs/ISOs have 270 days to file compliance tariffs RTOs/ISOs have 365 days to implement tariffs
EnerNOC, Inc. All rights reserved. www.enernoc.com 7 ClickParticipation DER to edit Master title style Deferred making any determinations with respect to aggregated DER participation Will continue to explore DER aggregation reforms Announced a technical conference, with questions to supplement record in RM18-9-00 EnerNOC, Inc. All rights reserved. www.enernoc.com
8 Mona Tierney-Lloyd Sr. Director, Western Regulatory Affairs EnerNOC, Inc. All rights reserved. www.enernoc.com
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